https://grasswiki.osgeo.org/w/index.php?title=GRASS_FAQ&feed=atom&action=historyGRASS FAQ - Revision history2024-03-29T05:12:51ZRevision history for this page on the wikiMediaWiki 1.41.0https://grasswiki.osgeo.org/w/index.php?title=GRASS_FAQ&diff=23632&oldid=prevNeteler: /* Usage */2016-10-02T12:17:57Z<p><span dir="auto"><span class="autocomment">Usage</span></span></p>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># How to [[Dissolve polygons]]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># How to [[Dissolve polygons]]</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"># I get a "ERROR: G_realloc: unable to allocate 52980000 bytes of memory at lib/vector/diglib/cindex.c:113" or similar - [[Memory issues]]</ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
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</table>Netelerhttps://grasswiki.osgeo.org/w/index.php?title=GRASS_FAQ&diff=23631&oldid=prevNeteler at 12:17, 2 October 20162016-10-02T12:17:03Z<p></p>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>This pages contains a growing list of Frequently Asked Questions (FAQs). Feel free to add text, "Edit" button for that.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>This pages contains a growing list of Frequently Asked Questions (FAQs). Feel free to add text, "Edit" button for that.</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>See also [[:Category: FAQ]] for more articles.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
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</table>Netelerhttps://grasswiki.osgeo.org/w/index.php?title=GRASS_FAQ&diff=22141&oldid=prevNeteler: update r.in.gdal url2015-12-15T21:47:51Z<p>update r.in.gdal url</p>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><br></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><br></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>'''Solution''': import the image into a simple XY location and georeference the image with either r.region (if bounds are simple and known) or {{cmd|i.points}} and {{cmd|i.rectify}}. An automated alternative to {{cmd|r.region}} is to create a "World File" to be used by r.in.gdal. See the GeoTIFF format help page at http://www.gdal.org. </div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>'''Solution''': import the image into a simple XY location and georeference the image with either r.region (if bounds are simple and known) or {{cmd|i.points}} and {{cmd|i.rectify}}. An automated alternative to {{cmd|r.region}} is to create a "World File" to be used by r.in.gdal. See the GeoTIFF format help page at http://www.gdal.org. </div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>: <del style="font-weight: bold; text-decoration: none;">In GRASS 6.5 and 7, </del>{{cmd|r.in.gdal<del style="font-weight: bold; text-decoration: none;">|version=65</del>}} has a <del style="font-weight: bold; text-decoration: none;">new </del>''-l'' flag to constrain the import to valid lat/lon ranges. Another good alternative is to use <tt>gdal_translate -a_ullr</tt> to convert the dataset into a GeoTiff with reset bounds. See the [[MODIS#Import|MODIS]] wiki page for details.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>: <ins style="font-weight: bold; text-decoration: none;">The command </ins>{{cmd|r.in.gdal}} has a ''-l'' flag to constrain the import to valid lat/lon ranges. Another good alternative is to use <tt>gdal_translate -a_ullr</tt> to convert the dataset into a GeoTiff with reset bounds. See the [[MODIS#Import|MODIS]] wiki page for details.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>: Use <tt>gdalinfo</tt> to test your data set. What it sees, ''r.in.gdal'' will see.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>: Use <tt>gdalinfo</tt> to test your data set. What it sees, ''r.in.gdal'' will see.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>: Sometimes you get this error if the input data tries to exist a little north-of-north and south-of-south. E.g. 90.5N - 90.5S. In these cases take care with the [[grid_registration|grid-versus-cell center]] raster convention when resetting the bounds. In GRASS the outer edge of all the cells are given as the n,s,e,w extent, and the data value for each cell represents the value within the area of all of that ewres*nsres cell. You might use <tt>gdal_translate -srcwin</tt> or <tt>-projwin</tt> to crop away the top/bottom row of cells so that the data does not try to place itself at an impossible latitude.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>: Sometimes you get this error if the input data tries to exist a little north-of-north and south-of-south. E.g. 90.5N - 90.5S. In these cases take care with the [[grid_registration|grid-versus-cell center]] raster convention when resetting the bounds. In GRASS the outer edge of all the cells are given as the n,s,e,w extent, and the data value for each cell represents the value within the area of all of that ewres*nsres cell. You might use <tt>gdal_translate -srcwin</tt> or <tt>-projwin</tt> to crop away the top/bottom row of cells so that the data does not try to place itself at an impossible latitude.</div></td></tr>
</table>Netelerhttps://grasswiki.osgeo.org/w/index.php?title=GRASS_FAQ&diff=20186&oldid=prev⚠️HamishBowman: /* Errors */ space2014-02-14T01:20:43Z<p><span dir="auto"><span class="autocomment">Errors: </span> space</span></p>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>'''Solution''': import the image into a simple XY location and georeference the image with either r.region (if bounds are simple and known) or {{cmd|i.points}} and {{cmd|i.rectify}}. An automated alternative to {{cmd|r.region}} is to create a "World File" to be used by r.in.gdal. See the GeoTIFF format help page at http://www.gdal.org. </div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>'''Solution''': import the image into a simple XY location and georeference the image with either r.region (if bounds are simple and known) or {{cmd|i.points}} and {{cmd|i.rectify}}. An automated alternative to {{cmd|r.region}} is to create a "World File" to be used by r.in.gdal. See the GeoTIFF format help page at http://www.gdal.org. </div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>: In GRASS 6.5 and 7, {{cmd|r.in.gdal|version=65}} has a new ''-l'' flag to constrain the import to valid lat/lon ranges. Another good alternative is to use <tt>gdal_translate -a_ullr</tt> to convert the dataset into a GeoTiff with reset bounds. See the [[MODIS#Import|MODIS]] wiki page for details.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>: In GRASS 6.5 and 7, {{cmd|r.in.gdal|version=65}} has a new ''-l'' flag to constrain the import to valid lat/lon ranges. Another good alternative is to use <tt>gdal_translate -a_ullr</tt> to convert the dataset into a GeoTiff with reset bounds. See the [[MODIS#Import|MODIS]] wiki page for details.</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>: Use <tt>gdalinfo</tt> to test your data set. What it sees, ''r.in.gdal''will see.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>: Use <tt>gdalinfo</tt> to test your data set. What it sees, ''r.in.gdal'' will see.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>: Sometimes you get this error if the input data tries to exist a little north-of-north and south-of-south. E.g. 90.5N - 90.5S. In these cases take care with the [[grid_registration|grid-versus-cell center]] raster convention when resetting the bounds. In GRASS the outer edge of all the cells are given as the n,s,e,w extent, and the data value for each cell represents the value within the area of all of that ewres*nsres cell. You might use <tt>gdal_translate -srcwin</tt> or <tt>-projwin</tt> to crop away the top/bottom row of cells so that the data does not try to place itself at an impossible latitude.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>: Sometimes you get this error if the input data tries to exist a little north-of-north and south-of-south. E.g. 90.5N - 90.5S. In these cases take care with the [[grid_registration|grid-versus-cell center]] raster convention when resetting the bounds. In GRASS the outer edge of all the cells are given as the n,s,e,w extent, and the data value for each cell represents the value within the area of all of that ewres*nsres cell. You might use <tt>gdal_translate -srcwin</tt> or <tt>-projwin</tt> to crop away the top/bottom row of cells so that the data does not try to place itself at an impossible latitude.</div></td></tr>
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</table>⚠️HamishBowmanhttps://grasswiki.osgeo.org/w/index.php?title=GRASS_FAQ&diff=16750&oldid=prevNeteler: /* Technical */2012-10-25T19:40:37Z<p><span dir="auto"><span class="autocomment">Technical</span></span></p>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=Technical=</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=Technical=</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div># GRASS 6 symbols - [[<del style="font-weight: bold; text-decoration: none;">http://freegis.org/cgi-bin/viewcvs.cgi/grass6/lib/symbol</del>/<del style="font-weight: bold; text-decoration: none;">README</del>?<del style="font-weight: bold; text-decoration: none;">rev=HEAD&content-type=text/vnd.viewcvs-markup README</del>]]</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div># GRASS 6 symbols - [[<ins style="font-weight: bold; text-decoration: none;">IconSymbols]]</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"># How do I compile</ins>/<ins style="font-weight: bold; text-decoration: none;">install GRASS GIS</ins>? <ins style="font-weight: bold; text-decoration: none;">[[Compile and Install</ins>]]</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">Old stuff:</ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># GRASS 5.7 vector architecture - [[Vector Faq GRASS57]]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># GRASS 5.7 vector architecture - [[Vector Faq GRASS57]]</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div># Does <del style="font-weight: bold; text-decoration: none;">GRASS57 </del>installation override my stable GRASS5x installation? [[GRASS5x and 57]]</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div># Does <ins style="font-weight: bold; text-decoration: none;">GRASS 5.7 </ins>installation override my stable GRASS5x installation? [[GRASS5x and 57]]</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># Are GRASS 5.0.x/5.3.x/5.4.x raster maps compatible with GRASS57? Yes!</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># Are GRASS 5.0.x/5.3.x/5.4.x raster maps compatible with GRASS57? Yes!</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"># How do I compile/install GRASS57? [[Compile and Install]]</del></div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=Installation=</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=Installation=</div></td></tr>
</table>Netelerhttps://grasswiki.osgeo.org/w/index.php?title=GRASS_FAQ&diff=15097&oldid=prev⚠️HamishBowman: /* GRASS and Cygwin */2012-03-14T20:36:30Z<p><span dir="auto"><span class="autocomment">GRASS and Cygwin</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 20:36, 14 March 2012</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==GRASS and Cygwin==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==GRASS and Cygwin==</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div># How do I find the Cygwin packages to install? - [[Cygwin Packages]]</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div># How do I find the <ins style="font-weight: bold; text-decoration: none;">[[</ins>Cygwin<ins style="font-weight: bold; text-decoration: none;">]] </ins>packages to install? - <ins style="font-weight: bold; text-decoration: none;">See </ins>[[Cygwin Packages]]</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># I can't find pq.dll: Make sure you installed the PostgreSQL package in the Cygwin [[http://geni.ath.cx/grass/setup-11.png installer]].</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># I can't find pq.dll: Make sure you installed the PostgreSQL package in the Cygwin [[http://geni.ath.cx/grass/setup-11.png installer]].</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># I can't find pq.dll: try copy cygpq.dll to pq.dll</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># I can't find pq.dll: try copy cygpq.dll to pq.dll</div></td></tr>
</table>⚠️HamishBowmanhttps://grasswiki.osgeo.org/w/index.php?title=GRASS_FAQ&diff=10168&oldid=prev⚠️HamishBowman: /* GRASS 6 compilation problems */ moderninz2010-01-12T12:04:53Z<p><span dir="auto"><span class="autocomment">GRASS 6 compilation problems: </span> moderninz</span></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 12:04, 12 January 2010</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=Installation=</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=Installation=</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==GRASS 6 compilation problems==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==GRASS 6 compilation problems==</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"># </del>''Can't find a library even after I've built and installed it:'' Make sure that /usr/local/lib (or where you installed it) is listed in your /etc/ld.so.conf file and (as root) run /sbin/ldconfig.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* </ins>''Can't find a library even after I've built and installed it:'' Make sure that /usr/local/lib (or where you installed it) is listed in your /etc/ld.so.conf file and (as root) run /sbin/ldconfig.</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"><!--</ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># grass 5.7 compilation problems: - [[GRASS57 Compilation]]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># grass 5.7 compilation problems: - [[GRASS57 Compilation]]</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># grass 5.3, 5.4 compilation problems: - [[GRASS53 Compilation]]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># grass 5.3, 5.4 compilation problems: - [[GRASS53 Compilation]]</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"># </del>How do I install grass in <del style="font-weight: bold; text-decoration: none;">windows 2000</del>: - [[WinGRASS Installation]]</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">--></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* </ins>How do I install grass in <ins style="font-weight: bold; text-decoration: none;">MS Windows</ins>: - [[WinGRASS Installation]]</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==GRASS and Cygwin==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==GRASS and Cygwin==</div></td></tr>
</table>⚠️HamishBowmanhttps://grasswiki.osgeo.org/w/index.php?title=GRASS_FAQ&diff=10038&oldid=prev⚠️HamishBowman: +grid vs cell center registration link2010-01-03T09:28:02Z<p>+grid vs cell center registration link</p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 09:28, 3 January 2010</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>= Errors =</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>= Errors =</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* In a Latitude-Longitude location I'm getting the error ''Illegal latitude for North'' when importing an unprojected raster image: Unprojected images are given a resolution of 1 pixel per line, and so any image with a height of more than 90 pixels will try and write data to an impossible latitude. <br> '''Solution''': import the image into a simple XY location and georeference the image with either r.region (if bounds are simple and known) or i.points and i.rectify. An automated alternative to r.region is to create a "World File" to be used by r.in.gdal. See the GeoTIFF format help page at http://www.gdal.org. </div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* In a Latitude-Longitude location I'm getting the error ''Illegal latitude for North'' when importing an unprojected raster image: Unprojected images are given a resolution of 1 pixel per line, and so any image with a height of more than 90 pixels will try and write data to an impossible latitude. </div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><br></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>'''Solution''': import the image into a simple XY location and georeference the image with either r.region (if bounds are simple and known) or <ins style="font-weight: bold; text-decoration: none;">{{cmd|</ins>i.points<ins style="font-weight: bold; text-decoration: none;">}} </ins>and <ins style="font-weight: bold; text-decoration: none;">{{cmd|</ins>i.rectify<ins style="font-weight: bold; text-decoration: none;">}}</ins>. An automated alternative to <ins style="font-weight: bold; text-decoration: none;">{{cmd|</ins>r.region<ins style="font-weight: bold; text-decoration: none;">}} </ins>is to create a "World File" to be used by r.in.gdal. See the GeoTIFF format help page at http://www.gdal.org. </div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>: In GRASS 6.5 and 7, {{cmd|r.in.gdal|version=65}} has a new ''-l'' flag to constrain the import to valid lat/lon ranges. Another good alternative is to use <tt>gdal_translate -a_ullr</tt> to convert the dataset into a GeoTiff with reset bounds. See the [[MODIS#Import|MODIS]] wiki page for details.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>: In GRASS 6.5 and 7, {{cmd|r.in.gdal|version=65}} has a new ''-l'' flag to constrain the import to valid lat/lon ranges. Another good alternative is to use <tt>gdal_translate -a_ullr</tt> to convert the dataset into a GeoTiff with reset bounds. See the [[MODIS#Import|MODIS]] wiki page for details.</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>: Use <tt>gdalinfo</tt> to test your data set. What it sees, r.in.gdal will see.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>: Use <tt>gdalinfo</tt> to test your data set. What it sees, <ins style="font-weight: bold; text-decoration: none;">''</ins>r.in.gdal<ins style="font-weight: bold; text-decoration: none;">''</ins>will see.</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>: Sometimes you get this error if the input data tries to exist a little north-of-north and south-of-south. E.g. 90.5N - 90.5S. In these cases take care with the grid-versus-cell center raster convention when resetting the bounds. In GRASS the outer edge of all the cells are given as the n,s,e,w extent, and the data value for each cell represents the value within the area of all of that ewres*nsres cell. You might use <tt>gdal_translate -srcwin</tt> or <tt>-projwin</tt> to crop away the top/bottom row of cells so that the data does not try to place itself at an impossible latitude.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>: Sometimes you get this error if the input data tries to exist a little north-of-north and south-of-south. E.g. 90.5N - 90.5S. In these cases take care with the <ins style="font-weight: bold; text-decoration: none;">[[grid_registration|</ins>grid-versus-cell center<ins style="font-weight: bold; text-decoration: none;">]] </ins>raster convention when resetting the bounds. In GRASS the outer edge of all the cells are given as the n,s,e,w extent, and the data value for each cell represents the value within the area of all of that ewres*nsres cell. You might use <tt>gdal_translate -srcwin</tt> or <tt>-projwin</tt> to crop away the top/bottom row of cells so that the data does not try to place itself at an impossible latitude.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:FAQ]]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:FAQ]]</div></td></tr>
</table>⚠️HamishBowmanhttps://grasswiki.osgeo.org/w/index.php?title=GRASS_FAQ&diff=9511&oldid=prev⚠️HamishBowman: /* Errors */2009-09-12T14:42:16Z<p><span dir="auto"><span class="autocomment">Errors</span></span></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 14:42, 12 September 2009</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l56">Line 56:</td>
<td colspan="2" class="diff-lineno">Line 56:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>: In GRASS 6.5 and 7, {{cmd|r.in.gdal|version=65}} has a new ''-l'' flag to constrain the import to valid lat/lon ranges. Another good alternative is to use <tt>gdal_translate -a_ullr</tt> to convert the dataset into a GeoTiff with reset bounds. See the [[MODIS#Import|MODIS]] wiki page for details.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>: In GRASS 6.5 and 7, {{cmd|r.in.gdal|version=65}} has a new ''-l'' flag to constrain the import to valid lat/lon ranges. Another good alternative is to use <tt>gdal_translate -a_ullr</tt> to convert the dataset into a GeoTiff with reset bounds. See the [[MODIS#Import|MODIS]] wiki page for details.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>: Use <tt>gdalinfo</tt> to test your data set. What it sees, r.in.gdal will see.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>: Use <tt>gdalinfo</tt> to test your data set. What it sees, r.in.gdal will see.</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>: Sometimes you get this error if the input data tries to exist a little north-of-north and south-of-south. E.g. 90.5N - 90.5S. In these cases take care with the grid-versus-cell center raster convention when resetting the bounds. In GRASS the outer edge of all the cells are given as the n,s,e,w extent, and the data value for each cell represents the value within the area of all of that ewres*nsres cell. You might use <tt>gdal_translate -srcwin</tt> or <tt>-projwin</tt> <del style="font-weight: bold; text-decoration: none;">top </del>crop away the top/bottom row of cells so that the data does not try to place itself at an impossible latitude.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>: Sometimes you get this error if the input data tries to exist a little north-of-north and south-of-south. E.g. 90.5N - 90.5S. In these cases take care with the grid-versus-cell center raster convention when resetting the bounds. In GRASS the outer edge of all the cells are given as the n,s,e,w extent, and the data value for each cell represents the value within the area of all of that ewres*nsres cell. You might use <tt>gdal_translate -srcwin</tt> or <tt>-projwin</tt> <ins style="font-weight: bold; text-decoration: none;">to </ins>crop away the top/bottom row of cells so that the data does not try to place itself at an impossible latitude.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:FAQ]]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:FAQ]]</div></td></tr>
</table>⚠️HamishBowmanhttps://grasswiki.osgeo.org/w/index.php?title=GRASS_FAQ&diff=9510&oldid=prev⚠️HamishBowman: /* Errors */2009-09-12T14:41:48Z<p><span dir="auto"><span class="autocomment">Errors</span></span></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 14:41, 12 September 2009</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l56">Line 56:</td>
<td colspan="2" class="diff-lineno">Line 56:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>: In GRASS 6.5 and 7, {{cmd|r.in.gdal|version=65}} has a new ''-l'' flag to constrain the import to valid lat/lon ranges. Another good alternative is to use <tt>gdal_translate -a_ullr</tt> to convert the dataset into a GeoTiff with reset bounds. See the [[MODIS#Import|MODIS]] wiki page for details.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>: In GRASS 6.5 and 7, {{cmd|r.in.gdal|version=65}} has a new ''-l'' flag to constrain the import to valid lat/lon ranges. Another good alternative is to use <tt>gdal_translate -a_ullr</tt> to convert the dataset into a GeoTiff with reset bounds. See the [[MODIS#Import|MODIS]] wiki page for details.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>: Use <tt>gdalinfo</tt> to test your data set. What it sees, r.in.gdal will see.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>: Use <tt>gdalinfo</tt> to test your data set. What it sees, r.in.gdal will see.</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>: Sometimes you get this error if the input data tries to exist a little north-of-north and south-of-south. E.g. 90.5N - 90.5S. In these cases take care with the grid-versus-cell center raster convention when resetting the bounds. In GRASS the outer edge of all the cells are given as the n,s,e,w extent, and the data value for each cell represents the value within the area of all of that ewres*nsres cell.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>: Sometimes you get this error if the input data tries to exist a little north-of-north and south-of-south. E.g. 90.5N - 90.5S. In these cases take care with the grid-versus-cell center raster convention when resetting the bounds. In GRASS the outer edge of all the cells are given as the n,s,e,w extent, and the data value for each cell represents the value within the area of all of that ewres*nsres cell<ins style="font-weight: bold; text-decoration: none;">. You might use <tt>gdal_translate -srcwin</tt> or <tt>-projwin</tt> top crop away the top/bottom row of cells so that the data does not try to place itself at an impossible latitude</ins>.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:FAQ]]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:FAQ]]</div></td></tr>
</table>⚠️HamishBowman